CN102102688B - High-speed heavy-duty linear reciprocating body operation energy storage device - Google Patents

High-speed heavy-duty linear reciprocating body operation energy storage device Download PDF

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Publication number
CN102102688B
CN102102688B CN201110063020XA CN201110063020A CN102102688B CN 102102688 B CN102102688 B CN 102102688B CN 201110063020X A CN201110063020X A CN 201110063020XA CN 201110063020 A CN201110063020 A CN 201110063020A CN 102102688 B CN102102688 B CN 102102688B
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liquid
pressure
tank
pneumaticpiston
hydraulic
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CN102102688A (en
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黄欧
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Guangdong Zhengtang group Limited by Share Ltd
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DONGGUAN CITY SHANGZHENG ELECTROMECHANICAL TECHNOLOGY Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/16Mechanical energy storage, e.g. flywheels or pressurised fluids

Abstract

The invention relates to the technical field of hydraulic equipment, in particular to a high-speed heavy-duty linear reciprocating body operation energy storage device. The device comprises a tank body, an air storage tank and a high-pressure hydraulic cylinder, wherein an inner cavity of the tank body is separated into an air pressure chamber and a liquid storage chamber through an air pressure piston; the air storage tank is communicated with the air pressure chamber through a pipeline; the liquid storage chamber is provided with a liquid outlet and a liquid reflux inlet; the high-pressure hydraulic cylinder is provided with a liquid inlet and a hydraulic piston; and the air pressure piston is connected with the hydraulic piston through a piston rod. Because the area of the air pressure piston is greater than that of the hydraulic piston, the air pressure piston has a large pressure area to push the liquid in the liquid storage chamber to have a high speed, the stored energy can be simultaneously and rapidly released together with the high-pressure hydraulic cylinder, the working efficiency is high, and the high-pressure hydraulic cylinders are pushed to exchange by a low-power small-flow pump, so that two liquid storage chambers alternately inhale liquid discharged by a working motion body cylinder in a reciprocating mode, and the working motion body can be pushed to move at a high speed. Therefore, the pressure and flow of the hydraulic cylinder of the working motion body are improved, the working operation speed is improved, and the electric energy is saved.

Description

High-speed heavy-load linear reciprocating-movement body running energy storing device
Technical field:
The present invention relates to the hydraulic equipment technical field, particularly high-speed heavy-load linear reciprocating-movement body running energy storing device.
Background technique:
Often need to utilize hydraulic system to realize driving the operating movement body in some heavy machineries, hydraulic system is a kind of take liquid as working medium, is used for transferring energy to realize the system of various work.As everyone knows, the used oil hydraulic cylinder characteristics of hydraulic system are that active force is large, but movement speed is slow, if accelerate its speed, then must use jumbo oil pump, or adopt the modes of oil pump parallel connection of organizing to improve the fuel supply flow rate to the oil hydraulic cylinder of hydraulic system more, but so often cause the electric energy consumption excessive, and produce high oil temperature, and the quality of damaged oil, cost significantly improves.
Summary of the invention:
The object of the invention is to provides a kind of high-speed heavy-load linear reciprocating-movement body running energy storing device that improves work motion speed, saving power for the deficiencies in the prior art, can be applied in the hydraulic system of the oil supply system of lathe or other machinery.
For achieving the above object, the present invention adopts following technological scheme:
High-speed heavy-load linear reciprocating-movement body running energy storing device, it includes airtight tank body and gas holder, be provided with pneumaticpiston in the tank body, pneumaticpiston is separated into air-pressure chamber and liquid storage room with tank inner chamber, gas holder is communicated with air-pressure chamber by pipeline, liquid storage room is provided with to the liquid outlet of operating movement body hydraulic pressure cavity output highly pressurised liquid, the liquid backflow mouth of the liquid in the recovery operation moving body hydraulic pressure cavity, tank body is provided with the high pressure liquid cylinder pressure, one end of high pressure liquid cylinder pressure is connected to position corresponding with liquid storage room on the tank body, the other end is provided be used to the liquid-inlet that passes into the low discharge highly pressurised liquid, be provided with piston rod in the tank inner chamber, be provided with hydraulic piston in the high pressure liquid cylinder pressure inner chamber, one end of piston rod is connected with pneumaticpiston, and the other end passes tank body and enters in the high pressure liquid cylinder pressure inner chamber and with hydraulic piston and be connected, and the area of pneumaticpiston is greater than the area of hydraulic piston, so that the pressure area of pneumaticpiston is large, the promotion liquid velocity is fast, and the energy that gas holder stores can discharge high working efficiency fast.The present invention utilizes the low-power low-capacity pump moving body high-speed motion that just can push the work forward, and the oil hydraulic cylinder pressure of operating movement body and flow are increased, and improves the work motion speed, saving power.
Be arranged in parallel between described pneumaticpiston and the hydraulic piston.
Described tank body vertically arranges, and air-pressure chamber is positioned at the liquid storage room top, and the high pressure liquid cylinder pressure is positioned at tank base.
Described high pressure liquid cylinder pressure offers row/suction port near an end of tank body.
Described tank body is 2, and the air-pressure chamber of each tank body is communicated with gas holder respectively.
The area of described hydraulic piston and the area ratio of pneumaticpiston are 1/16~4/9.
As preferably, the area of described hydraulic piston and the area ratio of pneumaticpiston are 1/16~1/4.
Preferred, the area of described hydraulic piston and the area ratio of pneumaticpiston are 1/9.
The diameter of described hydraulic piston is 40~500mm, and the diameter of pneumaticpiston is 100~1000mm.
As preferably, the diameter of described hydraulic piston is 100mm, and the diameter of pneumaticpiston is 300mm.
Beneficial effect of the present invention is: the present invention includes airtight tank body and gas holder, be provided with pneumaticpiston in the tank body, pneumaticpiston is separated into air-pressure chamber and liquid storage room with tank inner chamber, gas holder is communicated with air-pressure chamber by pipeline, liquid storage room is provided with liquid outlet, the liquid backflow mouth, tank body is provided with the high pressure liquid cylinder pressure, one end of high pressure liquid cylinder pressure is connected to position corresponding with liquid storage room on the tank body, the other end is provided with liquid-inlet, be provided with piston rod in the tank inner chamber, be provided with hydraulic piston in the high pressure liquid cylinder pressure inner chamber, one end of piston rod is connected with pneumaticpiston, the other end passes tank body and enters in the high pressure liquid cylinder pressure inner chamber and with hydraulic piston and be connected, the area of pneumaticpiston is greater than the area of hydraulic piston, pass into the low discharge highly pressurised liquid to liquid-inlet, just can promote the pneumaticpiston motion by hydraulic piston, make the gas of air-pressure chamber to gas holder compression formation pressurized gas and with energy storage, when liquid-inlet stops to pass into liquid and discharges, the pressurized gas of gas holder will promote the pneumaticpiston motion fast, make the liquid of liquid storage room form the large pressured fluid of large flow by the liquid outlet discharge, and enter to fast in the hydraulic pressure cavity of operating movement body, thereby the moving body that pushes the work forward motion, raising work motion speed, it is fast to promote the liquid storage room liquid velocity, the energy that stores can discharge high working efficiency simultaneously fast with the high pressure liquid cylinder pressure; The present invention is non-energy storage actuation time in hydraulic system, and releases energy when the operating movement body action, thereby adopts the small capacity oil hydraulic pump still to can normally continuously work, and has improved the working efficiency of oil hydraulic cylinder, and saving power has reduced cost.
Description of drawings:
Fig. 1 is the structural representation of thermal energy storage process of the present invention.
Fig. 2 is the release energy structural representation of process of the present invention.
Fig. 3 is the structural representation of another mode of execution of the present invention.
Embodiment:
The present invention is further illustrated below in conjunction with accompanying drawing, see Fig. 1,2, high-speed heavy-load linear reciprocating-movement body running energy storing device, it includes airtight tank body 1 and gas holder 2, be provided with pneumaticpiston 3 in the tank body 1, pneumaticpiston 3 is separated into air-pressure chamber 11 and liquid storage room 12 with tank body 1 inner chamber, gas holder 2 is communicated with air-pressure chamber 11 by pipeline, liquid storage room 12 is provided with to the liquid outlet 13 of two hydraulic pressure cavity output of operating movement body highly pressurised liquid, the liquid backflow mouth 14 of the liquid in the recovery operation moving body hydraulic pressure cavity, tank body 1 is provided with high pressure liquid cylinder pressure 4, one end of high pressure liquid cylinder pressure 4 is connected on the tank body 1 position corresponding with liquid storage room 12, the other end is provided be used to the liquid-inlet 41 that passes into the low discharge highly pressurised liquid, can be liquid-inlet 41 connecting fluid press pumps.The operating movement body can be worktable, it is provided with oil hydraulic cylinder, oil hydraulic cylinder has two hydraulic pressure cavity, pass into just can push the work forward moving body motion of liquid to one of them hydraulic pressure cavity respectively, can connect by selector valve between two hydraulic pressure cavity of the oil hydraulic cylinder of liquid outlet 13, liquid backflow mouth 14, liquid-inlet 41 and operating movement body.Be provided with piston rod 6 in tank body 1 inner chamber, be provided with hydraulic piston 5 in high pressure liquid cylinder pressure 4 inner chambers, an end of piston rod 6 is connected with pneumaticpiston 3, and the other end passes tank body 1 and enters in high pressure liquid cylinder pressure 4 inner chambers and with hydraulic piston 5 and be connected.Be arranged in parallel between pneumaticpiston 3 and the hydraulic piston 5, so that pneumaticpiston 3 and hydraulic piston 5 operate steadily.High pressure liquid cylinder pressure 4 offers row/suction port 42 near an end of tank body 1, and high pressure liquid cylinder pressure 4 is by the 42 air-breathing or exhausts of row/suction port.
The area of pneumaticpiston 3 is greater than the area of hydraulic piston 5.The area ratio of the area of hydraulic piston 5 and pneumaticpiston 3 is 1/16~4/9, as being 1/16,1/9,4/25,1/4,4/9 etc., can be so that the pressure area of pneumaticpiston 3 be enough large in this number range, it is fast to promote liquid storage room 12 liquid velocities, the energy that gas holder 2 stores can discharge simultaneously fast with high pressure liquid cylinder pressure 4, high working efficiency, only need again simultaneously to be equipped with the low-power small flow oil hydraulic pump moving body high-speed motion that just can push the work forward, oil hydraulic cylinder pressure and the flow of operating movement body are increased, raising work motion speed, saving power.The area ratio of the area of hydraulic piston 5 and pneumaticpiston 3 is that 1/16~1/4 o'clock effect is better, and the area ratio of the area of hydraulic piston 5 and pneumaticpiston 3 is 1/9 o'clock best results.
Certainly, size relationship between hydraulic piston 5 and the pneumaticpiston 3 also can be: the diameter of hydraulic piston 5 is 40~500mm, the diameter of pneumaticpiston 3 is 100~1000mm, as being the diameter=40mm of hydraulic piston 5, diameter=the 100mm of pneumaticpiston 3, or the diameter=60mm of hydraulic piston 5, diameter=the 240mm of pneumaticpiston 3, or the diameter=100mm of hydraulic piston 5, diameter=the 300mm of pneumaticpiston 3, or the diameter=300mm of hydraulic piston 5, diameter=the 450mm of pneumaticpiston 3, or the diameter=400mm of hydraulic piston 5, diameter=the 700mm of pneumaticpiston 3, or the diameter=500mm of hydraulic piston 5, diameter=the 1000mm of pneumaticpiston 3, can be so that the pressure area of pneumaticpiston 3 be enough large in this number range, the promotion liquid velocity is fast, the energy that gas holder 2 stores can discharge fast, high working efficiency, only need again simultaneously to be equipped with the low-power small flow oil hydraulic pump moving body high-speed motion that just can push the work forward, oil hydraulic cylinder pressure and the flow of operating movement body are increased, raising work motion speed, saving power.The diameter of hydraulic piston 5 is the diameter of 100mm, pneumaticpiston 3 best results when being 300mm.
In the present embodiment, the diameter of hydraulic piston 5 is 100mm, the diameter of pneumaticpiston 3 is 300mm, be that the area of hydraulic piston 5 and the area ratio of pneumaticpiston 3 are 1/9, in conventional hydraulic, need the oil hydraulic pump of 15kw could drive operation, and the energy storage device that utilizes present embodiment only needs the small flow oil hydraulic pump of 5~7.5kw just can drive operation, and saving power is more than 50%, and the work motion speed is fast.
Tank body 1 vertically arranges, and air-pressure chamber 11 is positioned at liquid storage room 12 tops, and high pressure liquid cylinder pressure 4 is positioned at tank body 1 bottom, and this modes of emplacement is so that system motion is more steady, and tank body 1 also can horizontally be placed certainly, and it is better just effect to be set vertically.Tank body 1 of the present invention is non-energy storage actuation time in hydraulic system, and releases energy when the operating movement body action, thereby adopts the small capacity oil hydraulic pump still can work, and has improved the working efficiency of oil hydraulic cylinder, and saving power has reduced cost.
Working principle of the present invention is:
1, thermal energy storage process: the liquid-inlet 41 to high pressure liquid cylinder pressure 4 passes into the low discharge highly pressurised liquid, promoting hydraulic piston 5 drive piston rods 6 moves upward with pneumaticpiston 3, the gas that makes air-pressure chamber 11 forms pressurized gas and with energy storage, this moment, gas holder 2 was in the gas high pressure conditions to gas holder 2 compressions; 2, the process that releases energy: when the liquid-inlet 41 of high pressure liquid cylinder pressure 4 stops to pass into liquid and discharges, the pressurized gas of gas holder 2 will push pneumaticpiston 3 downwards fast, make the liquid of liquid storage room 12 form the large pressured fluid of large flow by liquid outlet 13 discharges, and enter to fast in the hydraulic pressure cavity of operating movement body, thereby push the work forward the moving body motion.After energy release is complete, continue again to pass into the low discharge highly pressurised liquid to the liquid-inlet 41 of high pressure liquid cylinder pressure 4 and repeat thermal energy storage process, liquid storage room 12 produces suction and will be sucked back in the liquid storage room 12 by the liquid that liquid outlet 13 is discharged in the operating movement body so circulation in the thermal energy storage process.
As shown in Figure 3, as another mode of execution of the present utility model, different from a upper mode of execution is, tank body 1 is 2,2 tank body 1 combinations are used mutually, the air-pressure chamber 11 of each tank body 1 is communicated with gas holder 2 respectively, the liquid storage room 12 of each tank body 1 is connected in parallel in the hydraulic system by liquid outlet 13 and liquid backflow mouth 14, by the control of selector valve and one-way valve so that during liquid outlet 13 output liquid of one of them tank body 1, liquid backflow mouth 14 withdrawal liquid of another tank body 1, such 2 tank bodies 1 alternately output and withdrawal liquid form circulation, and the alternation by 2 tank bodies 1 can be so that the hydraulic system normal and continuous operation, and system moves more smooth and easy.Utilizing the low-power low-capacity pump to promote 4 exchanges of high pressure liquid cylinder pressure makes 2 liquid storage rooms 12 alternately back and forth suck the liquid that operating movement body oil cylinder is discharged, the moving body high-speed motion can push the work forward, oil hydraulic cylinder pressure and the flow of operating movement body are increased, improve the work motion speed, saving power.Certainly, tank body 1 also can be for more than 3 or 3, and system's operation is more steady.Tank body 1 of the present invention is non-energy storage actuation time in hydraulic system, and releases energy when the operating movement body action, thereby adopts the small capacity oil hydraulic pump still can work, and has improved the working efficiency of oil hydraulic cylinder, and saving power has reduced cost.
The above only is preferred embodiment of the present invention, so all equivalences of doing according to the described structure of patent claim of the present invention, feature and principle change or modify, is included in the patent claim of the present invention.

Claims (9)

1. high-speed heavy-load linear reciprocating-movement body running energy storing device, it includes airtight tank body (1) and gas holder (2), be provided with pneumaticpiston (3) in the tank body (1), pneumaticpiston (3) is separated into air-pressure chamber (11) and liquid storage room (12) with tank body (1) inner chamber, gas holder (2) is communicated with air-pressure chamber (11) by pipeline, it is characterized in that: described liquid storage room (12) is provided with to the liquid outlet (13) of operating movement body hydraulic pressure cavity output highly pressurised liquid, the liquid backflow mouth (14) of the liquid in the recovery operation moving body hydraulic pressure cavity, tank body (1) is provided with high pressure liquid cylinder pressure (4), one end of high pressure liquid cylinder pressure (4) is connected to the upper position corresponding with liquid storage room (12) of tank body (1), the other end is provided be used to the liquid-inlet that passes into the low discharge highly pressurised liquid (41), be provided with piston rod (6) in tank body (1) inner chamber, be provided with hydraulic piston (5) in high pressure liquid cylinder pressure (4) inner chamber, one end of piston rod (6) is connected with pneumaticpiston (3), the other end passes tank body (1) and enters in high pressure liquid cylinder pressure (4) inner chamber and with hydraulic piston (5) and be connected, and the area of pneumaticpiston (3) is greater than the area of hydraulic piston (5); Tank body (1) vertically arranges, and air-pressure chamber (11) is positioned at liquid storage room (12) top, and high pressure liquid cylinder pressure (4) is positioned at tank body (1) bottom.
2. high-speed heavy-load linear reciprocating-movement body running energy storing device according to claim 1 is characterized in that: be arranged in parallel between described pneumaticpiston (3) and the hydraulic piston (5).
3. high-speed heavy-load linear reciprocating-movement body running energy storing device according to claim 1 is characterized in that: described high pressure liquid cylinder pressure (4) offers row/suction port (42) near an end of tank body (1).
4. high-speed heavy-load linear reciprocating-movement body running energy storing device according to claim 1, it is characterized in that: described tank body (1) is 2, the air-pressure chamber (11) of each tank body (1) is communicated with gas holder (2) respectively.
5. the described high-speed heavy-load linear reciprocating-movement body running energy storing device of any one according to claim 1-4, it is characterized in that: the area ratio of the area of described hydraulic piston (5) and pneumaticpiston (3) is 1/16~4/9.
6. high-speed heavy-load linear reciprocating-movement body running energy storing device according to claim 5, it is characterized in that: the area ratio of the area of described hydraulic piston (5) and pneumaticpiston (3) is 1/16~1/4.
7. high-speed heavy-load linear reciprocating-movement body running energy storing device according to claim 6, it is characterized in that: the area ratio of the area of described hydraulic piston (5) and pneumaticpiston (3) is 1/9.
8. the described high-speed heavy-load linear reciprocating-movement body running energy storing device of any one according to claim 1-4, it is characterized in that: the diameter of described hydraulic piston (5) is 40~500mm, the diameter of pneumaticpiston (3) is 100~1000mm.
9. high-speed heavy-load linear reciprocating-movement body running energy storing device according to claim 8, it is characterized in that: the diameter of described hydraulic piston (5) is 100mm, the diameter of pneumaticpiston (3) is 300mm.
CN201110063020XA 2011-03-16 2011-03-16 High-speed heavy-duty linear reciprocating body operation energy storage device Active CN102102688B (en)

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CN103233928A (en) * 2013-04-23 2013-08-07 赵永军 Energy storage supercharger
CN103850992A (en) * 2013-12-26 2014-06-11 海卓泰克液压技术(苏州)有限公司 Double-piston energy accumulator
CN104832466B (en) * 2014-12-12 2016-09-28 中国航空工业集团公司北京长城计量测试技术研究所 A kind of variable area specific pressure multiplying assembly and control method
CN104533879B (en) * 2015-01-14 2017-05-24 吉林省云动力智能装备制造有限公司 Pressure stabilization compensation device and energy accumulator detection system with same
CN106968993A (en) * 2017-02-27 2017-07-21 韩佩永 Assisted hydraulic mechanical driven system
CN108502679B (en) * 2018-02-26 2021-01-22 海宁萃智智能机器人有限公司 Novel counterweight-free elevator
CN108436006B (en) * 2018-03-26 2019-04-12 中科聚信洁能热锻装备研发股份有限公司 A kind of free-forging hydraulic of efficient driving
CN108679040A (en) * 2018-08-01 2018-10-19 江苏恒立液压股份有限公司 Depressurize oil cylinder
CN111396527A (en) * 2020-03-31 2020-07-10 潍坊新力蒙水产技术有限公司 Liquid pressure transmission device

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JP2521393B2 (en) * 1992-07-06 1996-08-07 中小企業事業団 Pneumatic device for die casting machine
CN1526960A (en) * 2003-09-25 2004-09-08 浙江大学 Single rod equal area double acting hydraulic cylinder capable of balancing weight
CN101832303B (en) * 2010-05-12 2012-01-04 河北华北石油荣盛机械制造有限公司 Piston-type deep sea water pressure compensation energy accumulator
CN101968066A (en) * 2010-11-05 2011-02-09 赵永军 Energy storage rapid discharger
CN201991845U (en) * 2011-03-16 2011-09-28 东莞市尚正机电科技有限公司 High-speed heavy-load linear reciprocating-movement body running energy storing device

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Effective date of registration: 20161130

Address after: 523000 Guangdong province Dongguan Dongcheng Street Hill Community Dongsheng Road Zeniya Street No. 6

Patentee after: Guangdong Zhengtang group Limited by Share Ltd

Address before: 523000 Guangdong city of Dongguan Province East Fang Gui Lu Heng Jie No. 9

Patentee before: Dongguan City Shangzheng Electromechanical Technology Co., Ltd.

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